Improved device tor tilling steam-generators



taitnd? taitra Letters Patent No. 94,260, dated August 31, 1869.

IMPROVBD DEVICE FOR FILLING STEYAM-GENERATORS.

The Schedule referred to in these Letters Patent and making part of the same.

To ywhom, it may concern.:

Be a 1mm that I, CHARLES WARD, 0f Detroit.,

in the county of Way11e,vand State of Michigan, have invented a new and useful Improvement in Apparatus for Fillii1g-Steam-Boile1's; and I do declare. that the following is a true and accurate description thereof, reference being had to the accompanying drawings, and to the letters ot' reference marked thereon, and being a part of this specification, in whiclx- Figure l is a perspective view ot' a boiler, with my device att-ached.

Figure 2 is a vertical section of the tiller and checkvarlve.

Like letters` indicate like parts in each iignre.

The nature of this invention relates to a method of automatically refilling steam-generators when blown out, and consists in attaching .toa boiler a pipe ent-ering it at the water-line, the lower end of said pipe being provided with a check-valve, and terminating under the surface of the water whence the usual snpply for the boiler is drawn, a vacuum being formed in the boiler by blowing` it ont, the pressure of thc atmospherecanses the water to raise the check-valve, and rushing up the pipe, speedily fills the boiler.

A In thedrawings- A represents an ordinary upright tubular boiler, provided withthe usual blow-oit cock B.

Gis the filling-tube., tapped intor the boiler at or above the water-line; this tube is carried down into the water whence the ordinary supply for the boiler is derived.

I) is a check-valve, at its lower end closed by the pressure of the steam inthe boiler.

vAfter the boiler is blown out under pressure, the blow-oit cock is closed, when a vacuum will be found to exist in the boiler, or will be formed by the rarefaction of the air contained in it, by the heat radiated from its plates. The pressure of the atmospnere upon the water causes it to raise the check-valve and fill the boiler to the point at which the pipe C enters it, thereby obviating the. necessity of pumping to refill the boiler.

What l claim, and desire to secure by Lett-ers Patent, is-

The arrangement of 4the pipe. G, thc check-valve D,

CHA S. \VARD. 

